message stringlengths 2 48.6k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 318 108k | cluster float64 8 8 | __index_level_0__ int64 636 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,333 | 8 | 180,666 |
Tags: implementation, math
Correct Solution:
```
import math
n1 = int(input())
for _ in range(n1):
n2 = input()
l = [int(item) for item in n2.split()]
n,x = l[0],l[1]
if n<=2 : print(1)
else : print(1+math.ceil((n-2)/x))
``` | output | 1 | 90,333 | 8 | 180,667 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,334 | 8 | 180,668 |
Tags: implementation, math
Correct Solution:
```
t=int(input())
for i in range(t):
n,x=map(int,input().split())
print(max(0,(n-3)//x+1)+1)
``` | output | 1 | 90,334 | 8 | 180,669 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,335 | 8 | 180,670 |
Tags: implementation, math
Correct Solution:
```
#codeforces div-2 round 668
'''for i in range(int(input())):
n=int(input())
arr=[int(i) for i in input().split()]
print(*arr[::-1])'''
'''for i in range(int(input())):
n=int(input())
arr=[int(i) for i in input().split()]
run=0
for i in ran... | output | 1 | 90,335 | 8 | 180,671 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,336 | 8 | 180,672 |
Tags: implementation, math
Correct Solution:
```
for _ in range(int(input())):
sim=2
n,x=map(int, input().split())
if n<=sim:
print(1)
else:
while n>sim:
sim+=x
print(int((sim-2)/x+1))
``` | output | 1 | 90,336 | 8 | 180,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,337 | 8 | 180,674 |
Tags: implementation, math
Correct Solution:
```
for _ in range(int(input())):
n,x=map(int,input().split())
if n<=2:
print(1)
else:
n-=2
s=n/x
if int(s)!=s:
s=int(s)+1
print(int(s)+1)
``` | output | 1 | 90,337 | 8 | 180,675 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,338 | 8 | 180,676 |
Tags: implementation, math
Correct Solution:
```
import math
n1=int(input())
for x in range(n1):
n2=input().split(" ")
a=int(n2[0])
b=int(n2[1])
if(a<=2):
print(1)
else:
print(1+math.ceil((a-2)/b))
``` | output | 1 | 90,338 | 8 | 180,677 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,339 | 8 | 180,678 |
Tags: implementation, math
Correct Solution:
```
def read_int():
return int(input())
def read_ints():
return map(int, input().split(' '))
t = read_int()
for case_num in range(t):
fn = 1
cnt = 2
n, x = read_ints()
if n <= 2:
print(1)
else:
while cnt < n:
c... | output | 1 | 90,339 | 8 | 180,679 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,340 | 8 | 180,680 |
Yes | output | 1 | 90,340 | 8 | 180,681 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,341 | 8 | 180,682 |
Yes | output | 1 | 90,341 | 8 | 180,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,342 | 8 | 180,684 |
Yes | output | 1 | 90,342 | 8 | 180,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,343 | 8 | 180,686 |
Yes | output | 1 | 90,343 | 8 | 180,687 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,344 | 8 | 180,688 |
No | output | 1 | 90,344 | 8 | 180,689 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,345 | 8 | 180,690 |
No | output | 1 | 90,345 | 8 | 180,691 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,346 | 8 | 180,692 |
No | output | 1 | 90,346 | 8 | 180,693 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the fi... | instruction | 0 | 90,347 | 8 | 180,694 |
No | output | 1 | 90,347 | 8 | 180,695 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,451 | 8 | 180,902 |
Tags: brute force, dp
Correct Solution:
```
# cf 363 B 1200
n, k = map(int, input().split())
A = [*map(int, input().split())]
wsz = 0
wsum = 0
min_ = float("inf")
mini = 0
for i in range(len(A)):
wsum += A[i]
wsz += 1
if wsz > k:
wsum -= A[1 + i - wsz]
wsz -= 1
if wsum < min_ and wsz ==... | output | 1 | 90,451 | 8 | 180,903 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,452 | 8 | 180,904 |
Tags: brute force, dp
Correct Solution:
```
a,b=map(int,input().split());c=list(map(int,input().split()));s=k=sum(c[:b]);j=0
for i in range(1,a-b+1):
n=s-c[i-1]+c[i+b-1]
if k>n:j=i;k=n
s=n
print(j+1)
``` | output | 1 | 90,452 | 8 | 180,905 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,453 | 8 | 180,906 |
Tags: brute force, dp
Correct Solution:
```
n, k = [int(i) for i in input().split()] #int(input())
arr = [int(i) for i in input().split()]
acc = 0
for i in range(n):
acc += arr[i]
arr[i] = acc
arr = [0] + arr
min_idx = 0
min_br = arr[-1] + 1
for i in range(n-k+1):
if arr[k+i] - arr[i] < min_br:... | output | 1 | 90,453 | 8 | 180,907 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,454 | 8 | 180,908 |
Tags: brute force, dp
Correct Solution:
```
import os
import sys
from collections import Counter
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mod... | output | 1 | 90,454 | 8 | 180,909 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,455 | 8 | 180,910 |
Tags: brute force, dp
Correct Solution:
```
n,k=map(int,input().split())
l=list(map(int,input().split()))
dp=[0]*(n+1)
for i in range(n):
dp[i+1]=dp[i]+l[i]
mn=999999999
ans=-1
for i in range(k,n+1):
if(dp[i]-dp[i-k]<mn):
mn=dp[i]-dp[i-k]
ans=i-k+1
print(ans)
``` | output | 1 | 90,455 | 8 | 180,911 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,456 | 8 | 180,912 |
Tags: brute force, dp
Correct Solution:
```
n,k = map(int,input().split())
lis = list(map(int,input().split()))
ans=[]
mi=sum(lis[:k])
su=mi
ind=0
for i in range(k,n):
su+=lis[i]
su-=lis[i-k]
if su<mi:
ind=i-k+1
mi=su
print(ind+1)
``` | output | 1 | 90,456 | 8 | 180,913 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,457 | 8 | 180,914 |
Tags: brute force, dp
Correct Solution:
```
n,k=map(int,input().split())
a=list(map(int,input().split()))
c=[0]*len(a)
c[0]=a[0]
for i in range(1,n):
c[i]=c[i-1]+a[i]
mini=c[k-1]
h=1
#print(mini)
for i in range(k,n):
t=mini
#print('i',i)
mini=min(mini,c[i]-c[i-k])
#print(c[i]-c[i-k])
# print(mini)
if mini!=t:
h... | output | 1 | 90,457 | 8 | 180,915 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinct planks can have distinct heights.
<image> Fe... | instruction | 0 | 90,458 | 8 | 180,916 |
Tags: brute force, dp
Correct Solution:
```
n,k=map(int,input().split())
l=list(map(int,input().split()))
s=0
d=[0]
for i in l:
s+=i
d.append(s)
prev=float('inf')
idx=-1
for i in range(k-1,n):
s=d[i+1]-d[i-k+1]
#print(i,i-k+1,s,d[i+1],d[i-k+1])
if prev>s:
prev=s
idx=i+1-k+1
print(idx)
``` | output | 1 | 90,458 | 8 | 180,917 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,459 | 8 | 180,918 |
Yes | output | 1 | 90,459 | 8 | 180,919 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,460 | 8 | 180,920 |
Yes | output | 1 | 90,460 | 8 | 180,921 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,461 | 8 | 180,922 |
Yes | output | 1 | 90,461 | 8 | 180,923 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,462 | 8 | 180,924 |
Yes | output | 1 | 90,462 | 8 | 180,925 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,463 | 8 | 180,926 |
No | output | 1 | 90,463 | 8 | 180,927 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,464 | 8 | 180,928 |
No | output | 1 | 90,464 | 8 | 180,929 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,465 | 8 | 180,930 |
No | output | 1 | 90,465 | 8 | 180,931 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a fence in front of Polycarpus's home. The fence consists of n planks of the same width which go one after another from left to right. The height of the i-th plank is hi meters, distinc... | instruction | 0 | 90,466 | 8 | 180,932 |
No | output | 1 | 90,466 | 8 | 180,933 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,490 | 8 | 180,980 |
Tags: combinatorics, dp
Correct Solution:
```
import sys
input=sys.stdin.readline
def solve(n,st,k):
mod=10**9+7
dp=[0]*(n+1)
pre=[0]*(n+1)
dp[st]=1
for t in range(k):
pre[0]=0
for i in range(1,n+1):
pre[i]=pre[i-1]+dp[i]
pre[i]%=mod
for i in range(1,n... | output | 1 | 90,490 | 8 | 180,981 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,491 | 8 | 180,982 |
Tags: combinatorics, dp
Correct Solution:
```
def solve(n, st, k):
MOD = int(1e9 + 7)
dp = [0] * (n + 1)
prefix_sum = [0] * (n + 1)
dp[st] = 1
for times in range(k):
prefix_sum[0] = 0
for i in range(1, n + 1):
prefix_sum[i] = prefix_sum[i - 1] + dp[i]
if prefi... | output | 1 | 90,491 | 8 | 180,983 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,492 | 8 | 180,984 |
Tags: combinatorics, dp
Correct Solution:
```
def solve(n, st, k):
MOD = int(1e9 + 7)
prev = [0] * (n + 1)
current = [0] * (n + 1)
prefix_sum = [0] * (n + 1)
prev[st] = 1
for times in range(k):
prefix_sum[0] = 0
for i in range(1, n + 1):
prefix_sum[i] = prefix_sum[i -... | output | 1 | 90,492 | 8 | 180,985 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,493 | 8 | 180,986 |
Tags: combinatorics, dp
Correct Solution:
```
#!/usr/bin/env python3
import io
import os
import sys
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
def printd(*args, **kwargs):
#print(*args, **kwargs, file=sys.stderr)
#print(*args, **kwargs)
pass
def get_str():
return input().decode().str... | output | 1 | 90,493 | 8 | 180,987 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,494 | 8 | 180,988 |
Tags: combinatorics, dp
Correct Solution:
```
from sys import stdin
#parser
def parser():
return map(int, stdin.readline().split())
#Guardando el valor de 10^9+7
div=pow(10,9)+7
#Recibiendo los valores de n,a,b,k de la entrada
n,a,b,k=parser()
#Actualizando los valores de a,b y n
if a>b:
a=n-a+1
n=n-b
... | output | 1 | 90,494 | 8 | 180,989 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,495 | 8 | 180,990 |
Tags: combinatorics, dp
Correct Solution:
```
def solve(n, st, k):
MOD = int(1e9 + 7)
dp = [0] * (n + 1)
prefix_sum = [0] * (n + 1)
dp[st] = 1
for times in range(k):
prefix_sum[0] = 0
for i in range(1, n + 1):
prefix_sum[i] = prefix_sum[i - 1] + dp[i]
if prefi... | output | 1 | 90,495 | 8 | 180,991 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,496 | 8 | 180,992 |
Tags: combinatorics, dp
Correct Solution:
```
#!/usr/bin/env python3
import io
import os
import sys
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
def printd(*args, **kwargs):
#print(*args, **kwargs, file=sys.stderr)
#print(*args, **kwargs)
pass
def get_str():
return input().decode().str... | output | 1 | 90,496 | 8 | 180,993 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,497 | 8 | 180,994 |
Tags: combinatorics, dp
Correct Solution:
```
#!/usr/bin/env python3
import io
import os
import sys
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
def printd(*args, **kwargs):
#print(*args, **kwargs, file=sys.stderr)
#print(*args, **kwargs)
pass
def get_str():
return input().decode().str... | output | 1 | 90,497 | 8 | 180,995 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,498 | 8 | 180,996 |
Tags: combinatorics, dp
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return map(int,raw_input().split())
def... | output | 1 | 90,498 | 8 | 180,997 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the floor number a. You are very bored, so you want ... | instruction | 0 | 90,499 | 8 | 180,998 |
Tags: combinatorics, dp
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return map(int,raw_input().split())
def... | output | 1 | 90,499 | 8 | 180,999 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,500 | 8 | 181,000 |
Yes | output | 1 | 90,500 | 8 | 181,001 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,501 | 8 | 181,002 |
Yes | output | 1 | 90,501 | 8 | 181,003 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,502 | 8 | 181,004 |
Yes | output | 1 | 90,502 | 8 | 181,005 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,503 | 8 | 181,006 |
Yes | output | 1 | 90,503 | 8 | 181,007 |
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,504 | 8 | 181,008 |
No | output | 1 | 90,504 | 8 | 181,009 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,505 | 8 | 181,010 |
No | output | 1 | 90,505 | 8 | 181,011 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,506 | 8 | 181,012 |
No | output | 1 | 90,506 | 8 | 181,013 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's number the floors from bottom to top with integers from 1 to n. Now you're on the f... | instruction | 0 | 90,507 | 8 | 181,014 |
No | output | 1 | 90,507 | 8 | 181,015 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are famous Russian nesting dolls named matryoshkas sold in one of the souvenir stores nearby, and you'd like to buy several of them. The store has n different matryoshkas. Any matryoshka is a figure of volume out_i with an empty space ... | instruction | 0 | 91,004 | 8 | 182,008 |
Tags: binary search, combinatorics, data structures, dp, shortest paths, sortings
Correct Solution:
```
from sys import stdin, stdout
mod = 10**9+7
n = int(input())
dolls = []
for i in range(n):
o, i = map(int, stdin.readline().split())
dolls.append((o, i))
dolls.sort()
dolls = [(i, o) for (o, i) in dolls]
... | output | 1 | 91,004 | 8 | 182,009 |
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